nginx-ui/server/router/middleware.go
2023-05-07 11:00:13 +08:00

107 lines
2.2 KiB
Go

package router
import (
"encoding/base64"
"github.com/0xJacky/Nginx-UI/frontend"
"github.com/0xJacky/Nginx-UI/server/internal/logger"
"github.com/0xJacky/Nginx-UI/server/model"
"github.com/0xJacky/Nginx-UI/server/settings"
"github.com/gin-contrib/static"
"github.com/gin-gonic/gin"
"github.com/spf13/cast"
"io/fs"
"net/http"
"path"
"strings"
)
func recovery() gin.HandlerFunc {
return func(c *gin.Context) {
defer func() {
if err := recover(); err != nil {
errorAction := "panic"
if action, ok := c.Get("maybe_error"); ok {
errorActionMsg := cast.ToString(action)
if errorActionMsg != "" {
errorAction = errorActionMsg
}
}
logger.Error(err)
c.JSON(http.StatusInternalServerError, gin.H{
"message": err.(error).Error(),
"error": errorAction,
})
}
}()
c.Next()
}
}
func authRequired() gin.HandlerFunc {
return func(c *gin.Context) {
token := c.GetHeader("Authorization")
if token == "" {
tmp, _ := base64.StdEncoding.DecodeString(c.Query("token"))
token = string(tmp)
if token == "" {
c.JSON(http.StatusForbidden, gin.H{
"message": "Authorization failed",
})
c.Abort()
return
}
}
n := model.CheckToken(token)
if n < 1 {
c.JSON(http.StatusForbidden, gin.H{
"message": "Authorization failed",
})
c.Abort()
return
}
c.Next()
}
}
type serverFileSystemType struct {
http.FileSystem
}
func (f serverFileSystemType) Exists(prefix string, _path string) bool {
file, err := f.Open(path.Join(prefix, _path))
if file != nil {
defer file.Close()
}
return err == nil
}
func mustFS(dir string) (serverFileSystem static.ServeFileSystem) {
sub, err := fs.Sub(frontend.DistFS, path.Join("dist", dir))
if err != nil {
logger.Error(err)
return
}
serverFileSystem = serverFileSystemType{
http.FS(sub),
}
return
}
func cacheJs() gin.HandlerFunc {
return func(c *gin.Context) {
if strings.Contains(c.Request.URL.String(), "js") {
c.Header("Cache-Control", "max-age: 1296000")
if c.Request.Header.Get("If-Modified-Since") == settings.LastModified {
c.AbortWithStatus(http.StatusNotModified)
}
c.Header("Last-Modified", settings.LastModified)
}
}
}